This is a true deltoid formation, as the angle of incidence of the planes is so disposed that when the planes are horizontal from end to end, the inclination is such as to make it similar to the deltoid kite referred to.
Probably the simplest and most efficient glider, and one which can be made in a few moments, is to make a copy of the deltoid kite, previously referred to.
Two propellers with the deltoid model are not so necessary.
The deltoid is the simplest, and the most easily constructed of all the kites.
The flaps were healed at the deltoid insertion and just below the groin.
The wound on the right arm near the deltoid discharged, and there was slight exfoliation of the humerus.
The back presented a remarkable induration which involved the entire dorsal aspect, including the deltoid regions, the upper arms, the buttocks, and the thighs, down to and involving the popliteal spaces.
The area of insertion of the deltoid muscle is elongated in those birds with shortened humeri; these birds have also greater flight power than do birds with longer humeri and therefore a shorter external condyle.
The deltoid muscle, for example, is smaller in Bombycilla than in members of the other two subfamilies.
The deltoid tuberosity is variable, being shorter but more elevated in Bombycilla than it is in the Ptilogonatinae and in the Dulinae.
The external condyle in Dulus is not specialized, being low and rounded, but in Bombycilla, it is noticeably elongated, indicating a better attachment distally for the deltoid muscle.
The humerus in Bombycilla is shortened, and the muscle therefore does not need to be large to accomplish the same powerful stroke that would be accomplished by a longer humerus and a larger, more powerful deltoid muscle.
The deltoid muscle was selected for measurement since its point of insertion is unusually variable, while the mass of the muscle varies little.
It will be noticed that at the base of the Hyacinth, for example, is a flattish or deltoid mass of tissue.
The thick, fleshy, deltoid scales of many of the Liliums will develop buds at the base, as shown in the drawing, when detached and inserted almost vertically in sandy soil.
The deltoid frequently undergoes considerable atrophy, and there is severe neuralgic pain in the axillary nerve, especially marked in the region of the insertion of the deltoid.
When the movement of abduction predominates, the deltoid ligament is usually ruptured, or the anterior edge or tip of the medial malleolus torn off.
In most cases it is merely the deltoid muscle and the subcutaneous tissue over it that are bruised, but sometimes a hæmatoma forms either in the muscle or in the sub-deltoid bursa.
When forcible eversion is the chief movement, the tightening of the deltoid (internal lateral) ligament usually tears off the medial malleolus across its base.
There is frequently a communication between the joint and the sub-deltoid bursa.
A small tubercle (deltoid tubercle) which frequently exists near the acromial end is liable to suggest the presence of a fracture.
Thus, in fractures above the insertion of the deltoid the upper fragment is usually dragged towards the middle line by the muscles inserted into the inter-tubercular groove, while the lower is tilted laterally by the deltoid.
In some cases there is a large fluctuating and painless swelling; in others marked and rapid wasting of the deltoid and scapular muscles with flail-like movements of the joint associated with disappearance of the upper end of the humerus (Fig.
When the break is below the deltoid insertion the displacement of the fragments is reversed.
The deltoidis usually atrophied, allowing the acromion, coracoid, and great tuberosity of the humerus to stand out prominently beneath the skin.
Rouis reports an instance in which the deltoid was wasted.
He lifted a heavy hammer many hundreds of times a day with his right arm, striking quick short {398} blows and using mainly his deltoid muscle in the lifting process.
It was just his deltoid that was affected and the nerve supply had evidently given out.
The course of the ball was transverse through the posterior border of the deltoidmuscle without contact with the bone, which would have been revealed by small particles of lead scraped off from the ball.
The course of the bullet was from before backward and upward through the deltoid to the anterior surface of the head of the humerus.
I then with a gentle curve carry my incision across and fairly through the lower fibres of the deltoid towards, but not through, the posterior border of the axilla.
Where the destruction of tissue has been chiefly below the joint, a very good flap may be obtained from above, composed chiefly of the deltoid muscle, and the skin over it.
In cases where much injury has been done to the floor of the axilla and wall of chest, the deltoid flap must be made large in proportion, and triangular rather than semilunar in shape.
Ligature has been performed in this position by separating the pectoralis anddeltoid muscles, without dividing the muscular fibres (Roux, Desault).
When they can be obtained, anterior and posterior flaps are generally considered most satisfactory, but Mr. Spence prefers lateral ones, lest the line of union should be interfered with by the deltoidraising the bone.
That particular muscle does not do its special work; for instance, if the paralysis is of the deltoid muscle of the arm and shoulder, it is not possible to raise the arm, usually pain in the shoulder.
Amputation of the arm is performed by the formation of lateral flaps, at any point below the insertion of the deltoid muscle.
The parts pitted under pressure, two small foul-looking ulcers existed at the bend of the arm, the skin was discoloured, and fluctuation could be distinctly felt all the way up from below the elbow to the insertion of the deltoid muscle.
Sometimes merely weakness of the limb is complained of, and the attention is drawn to the wasted appearance of the muscles, particularly of the upper arm; the deltoid seems shrunk almost to nothing.
He had had a slight paralysis of the left brachial plexus in 1913, following a shoulder dislocation, but the only relic of this when the war began was a deltoid paresis.
The deltoidwas normal electrically and in contraction.
On passive elevation of the left arm, the deltoid seemed to contract slightly at first; later it failed to contract.
There was a paralysis of the levators and rotators of the left shoulder, with a slight atrophy of the deltoid and of the supra- and infraspinatus muscles.
In the instance I refer to, a fracture of the surgical neck of the humerus was accompanied by complete motor paralysis of the deltoid and very rapid wasting of the muscle.
A visit to the shore in our canoe showed its mouth to be deltoid in character, three mouths being observed, and others probably existing.
The region of the deltoid insertion is comparatively free from the irritation of muscular contraction, and it is easily accessible.
Motor paralysis involving single muscles or groups of muscles is occasionally noticed, as of the deltoid or of one arm (Meschede).
To tempt ruined, desperate men, with ten thousand fiends gnawing and sawing in their deltoid muscles, night and day.
This poplar is also remarkable for the very changeable shape of its leaves, which vary from broadly deltoid and coarsely toothed, to narrow-linear and quite entire.
But the others scornfully suggested that the deltoid was a muscle; they knew, because they had dissected one that very morning.
The deltoid branches of the circumflex and the humeral cutaneous branches of the musculo-spiral are much exposed to bruises and to cutting wounds.
It is in the upper part of the interspace which separates these latter from the brachialis anticus that the deltoid insinuates itself to proceed to its insertion into the humerus.
The deltoid impression well deserves the name of tuberosity which has been given to it, for it is very prominent; the musculo-spiral groove is very deep.
It is this latter which, by itself alone, forms the deltoid of quadrupeds, a muscle known, in veterinary anatomy, as the long abductor of the arm.
It arises from the curved crest which, from the deltoid impression of the humerus, is directed upward to meet the articular head of the same bone.
The deltoid impression is very extensive, and descends pretty far down on the body of the bone.
The two parts, united inferiorly, proceed to be inserted into the deltoid impression or infratrochiterian crest of the humerus.
Then he cut from the severed limb a portion of the uninjured muscular tissue and integument sufficient, with part of the deltoid muscle and integument, to form the required covering.
The case did well; union by the first intention took place between the portions of the deltoid and the piece cut from the inner and back part of the upper arm.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "deltoid" in a variety of sentences. We hope that you will now be able to make sentences using this word.
